From WoWWiki

Evoker's Silk Battlegear is a five piece Mage set. Each piece is purchased (with gold) from 5 faction quartermasters on reaching honored status. The reputation can be achieved through ordinary PvE play.

Source

Stats

Evoker's Silk Set Items
Item	Armor	Intellect	Stamina	+Spell Dmg	+Spell Crit	+Resilience	Sockets	Socket Bonus	Misc
[Evoker's Silk Cowl]	127	16	39	23	17	19		+4 Resilience Rating
[Evoker's Silk Amice]	117	16	21	25	8	15		+3 Resilience Rating
[Evoker's Silk Raiment]	156	15	42	23	17	18		+4 Spell Crit
[Evoker's Silk Handguards]	97	12	33	19	17	17			Improves the range of your Fire Blast spell by 5 yards.
[Evoker's Silk Trousers]	136	22	42	33	22	22
Totals	633	81	177	123	81	91	3 x 2 x 1 x 1 x	+7 Resilience Rating +4 Spell Crit	Improves the range of your Fire Blast spell by 5 yards.

Items

Evoker's Silk Battlegear

Evoker's Silk Amice Binds when picked up Cloth Shoulder 117 Armor +16 Intellect +21 Stamina Blue Socket Yellow Socket Socket Bonus: +3 Resilience Rating Durability 50 / 50 Classes: Mage Requires Thrallmar - Honored Requires Level 70 Equip: Improves resilience rating by 15. Equip: Improves spell critical strike rating by 8. Equip: Increases damage and healing done by magical spells and effects by up to 25. Set: Evoker's Silk Battlegear (1/5)	Evoker's Silk Cowl Binds when picked up Cloth Head 127 Armor +16 Intellect +39 Stamina Meta Socket Red Socket Socket Bonus: +4 Resilience Rating Durability 50 / 50 Classes: Mage Requires Lower City - Honored Requires Level 70 Equip: Improves resilience rating by 19. Equip: Improves spell critical strike rating by 17. Equip: Increases damage and healing done by magical spells and effects by up to 23. Set: Evoker's Silk Battlegear (1/5)	Evoker's Silk Handguards Binds when picked up Cloth Hands 97 Armor +12 Intellect +33 Stamina Durability 30 / 30 Classes: Mage Requires The Sha'tar - Honored Requires Level 70 Equip: Improves resilience rating by 17. Equip: Improves spell critical strike rating by 17. Equip: Improves the range of your Fire Blast spell by 5 yards. Equip: Increases damage and healing done by magical spells and effects by up to 19. Set: Evoker's Silk Battlegear (1/5)	Evoker's Silk Raiment Binds when picked up Cloth Chest 156 Armor +15 Intellect +42 Stamina Red Socket Yellow Socket Yellow Socket Socket Bonus: +4 Spell Critical Strike Rating Durability 80 / 80 Classes: Mage Requires Keepers of Time - Honored Requires Level 70 Equip: Improves resilience rating by 18. Equip: Improves spell critical strike rating by 17. Equip: Increases damage and healing done by magical spells and effects by up to 23. Set: Evoker's Silk Battlegear (1/5)
Evoker's Silk Trousers Binds when picked up Cloth Legs 136 Armor +22 Intellect +42 Stamina Durability 65 / 65 Classes: Mage Requires Cenarion Expedition - Honored Requires Level 70 Equip: Improves resilience rating by 22. Equip: Improves spell critical strike rating by 22. Equip: Increases damage and healing done by magical spells and effects by up to 33. Set: Evoker's Silk Battlegear (1/5)

Mage sets
Dungeon		1: Magister's Regalia • 2: Sorcerer's Regalia 3a: Incanter's Regalia • 3b: Mana-Etched Regalia
Reputation		ZG: Illusionist's Attire • AQ20: Trappings of Vaulted Secrets • AQ40: Enigma Vestments • Evoker's Silk Battlegear
Tier (Raid)	1/2/3	Arcanist Regalia • Netherwind Regalia • Frostfire Regalia
	4/5/6	Aldor Regalia • Tirisfal Regalia • Tempest Regalia
PvP-	AB	The Highlander's Intent • The Defiler's Intent
	Rare	Lieutenant Commander's Arcanum • Champion's Arcanum
	Epic	Field Marshal's Regalia • Warlord's Regalia
Arena		1: Gladiator's Regalia • 2: Merciless Gladiator's Regalia • 3: Vengeful Gladiator's Regalia • 4: Brutal Gladiator's Regalia